XLSMHTML Opener

How to open XLSMHTML file?

XLSMHTML Opener is a type of software that can open a file with the extension XLSMHTML. Usually, there are also additional options. The first thing you should check is that you have the software to handle the XLSMHTML file installed. After clicking, your XLSMHTML file should open in the program that is assigned as default for handling XLSMHTML files on your device. However, if an error occurred while opening the file, you can try to fix it by following the instructions below in turn.

9 steps to open XLSMHTML file

1. Make sure that the operating system where you are trying to open the Microsoft Excel MIME HTML Spreadsheet file is supported by it. Files with the XLSMHTML extension may not be supported by the operating system you are using.
2. No default Microsoft Office application in the system or Microsoft Excel will prevent you from opening XLSMHTML files. If there is no application that supports files with the extension XLSMHTML, it should be downloaded and installed on the system.
3. Make sure that one of the Microsoft Office, Microsoft Excel programs is the default application for opening XLSMHTML files in the system. If this is not the case, you should manually set the program, preferably by editing the properties of the Microsoft Excel MIME HTML Spreadsheet file and displaying the applications available on the system that allow you to open it. On the list, search for one of the Microsoft Office, Microsoft Excel applications and confirm.

Software programs that open XLSMHTML file extension

Windows
• Microsoft Excel
• Microsoft Office
MAC OS
• Microsoft Excel
4. If Microsoft Excel MIME HTML Spreadsheet is a file from the network or some other external source, it may be defective or incomplete. In this case, although one of the Microsoft Office, Microsoft Excel programs is installed, the Microsoft Excel MIME HTML Spreadsheet file cannot be opened. Try to download or copy the file again.
5. In case the Microsoft Excel MIME HTML Spreadsheet file is infected, the anti-virus program will prevent it from being opened. Such a situation should not be underestimated and such a file should be deleted or moved to quarantine, and the entire system should be scanned.
6. Check that the Microsoft Excel MIME HTML Spreadsheet file format is not outdated. Sometimes it happens that despite the XLSMHTML extension, such files contain data saved in a way that prevents them from being opened by Microsoft Office or Microsoft Excel.
7. An attempt to open the Microsoft Excel MIME HTML Spreadsheet file by an un-updated application may fail. In this case, it is necessary to verify the version of your software to handle XLSMHTML files and, if necessary, update it to the latest version.
8. Make sure that the icon representing the Microsoft Excel MIME HTML Spreadsheet file is not a shortcut to the location where this file is not present.
9. The reason that prevents the opening of a given file may be administrative restrictions defined to protect the system by its administrator.

Useful tools

If, despite going through all the steps, it was not possible to open the file with the XLSMHTML extension, you can try some of the proposed tools. The list below presents web pages that specialize in opening XLSMHTML files.

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